Bad news, everyone. Researchers have discovered that 15% of the coral trout living in Australia's great Barrier Reef are suffering from what's been described as a scalier version of melanoma, a deadly form of skin cancer. That's unsettling for a number of reasons, but there are two big ones that should immediately… »8/03/12 1:00pm 8/03/12 1:00pm

This trout looks guilty for a reason. It's hiding one of nature's most intriguing mysteries: the secret of magnetoception. For decades, behavioral experiments have suggested that a variety of animals possess this ability to sense — and navigate by — the Earth's magnetic fields, but identifying what, exactly, endows… »7/10/12 8:30am 7/10/12 8:30am